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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| import { AnyModel } from "./model.js"; | ||
| import { AnyRepository } from "./repository.js"; | ||
| import invariant from "tiny-invariant"; | ||
|
|
||
| export interface CustomGranularityElementConfig { | ||
| name: string; | ||
| dimensions: string[]; | ||
| keyDimensions: string[]; | ||
| formatDimensions: string[]; | ||
| formatter: (row: Record<string, unknown>) => string; | ||
| } | ||
|
|
||
| export type AnyCustomGranularityElement = CustomGranularityElement<any>; | ||
|
|
||
| export abstract class CustomGranularityElementFormatter { | ||
| abstract getFormatter( | ||
| parent: AnyModel | AnyRepository, | ||
| ): (row: Record<string, unknown>) => string; | ||
| abstract getReferencedDimensionNames(): string[]; | ||
| } | ||
|
|
||
| export class CustomGranularityElementDimensionRef extends CustomGranularityElementFormatter { | ||
| constructor(public readonly dimensionName: string) { | ||
| super(); | ||
| } | ||
| getFormatter(parent: AnyModel | AnyRepository) { | ||
| const dimension = parent.getDimension(this.dimensionName); | ||
| return (row: Record<string, unknown>) => { | ||
| const value = row[dimension.getAlias()]; | ||
| return dimension.unsafeFormatValue(value); | ||
| }; | ||
| } | ||
| getReferencedDimensionNames() { | ||
| return [this.dimensionName]; | ||
| } | ||
| } | ||
| export class CustomGranularityElementTemplateWithDimensionRefs extends CustomGranularityElementFormatter { | ||
| constructor( | ||
| public readonly strings: string[], | ||
| public readonly values: unknown[], | ||
| ) { | ||
| super(); | ||
| } | ||
| getReferencedDimensionNames() { | ||
| const dimensions: string[] = []; | ||
| for (const value of this.values) { | ||
| if (value instanceof CustomGranularityElementDimensionRef) { | ||
| dimensions.push(value.dimensionName); | ||
| } | ||
| } | ||
| return dimensions; | ||
| } | ||
| getFormatter(parent: AnyModel | AnyRepository) { | ||
| return (row: Record<string, unknown>) => { | ||
| const result = []; | ||
| for (let i = 0; i < this.strings.length; i++) { | ||
| result.push(this.strings[i]!); | ||
| const nextValue = this.values[i]; | ||
| if (nextValue) { | ||
| if (nextValue instanceof CustomGranularityElementDimensionRef) { | ||
| const dimension = parent.getDimension(nextValue.dimensionName); | ||
| const value = row[dimension.getAlias()]; | ||
| result.push(dimension.unsafeFormatValue(value)); | ||
| } else { | ||
| result.push(nextValue); | ||
| } | ||
| } | ||
| } | ||
| return result.join(""); | ||
| }; | ||
| } | ||
| } | ||
|
|
||
| export class CustomGranularityElement<D extends string> { | ||
| private readonly dimensionRefs: Record< | ||
| string, | ||
| CustomGranularityElementDimensionRef | ||
| >; | ||
| private keys: string[] | null = null; | ||
| private formatter: CustomGranularityElementFormatter | null = null; | ||
| constructor( | ||
| public readonly name: string, | ||
| private readonly dimensionNames: string[], | ||
| ) { | ||
| this.dimensionRefs = dimensionNames.reduce< | ||
| Record<string, CustomGranularityElementDimensionRef> | ||
| >((acc, dimensionName) => { | ||
| acc[dimensionName] = new CustomGranularityElementDimensionRef( | ||
| dimensionName, | ||
| ); | ||
| return acc; | ||
| }, {}); | ||
| } | ||
| withKey<K extends D>(...keys: K[]) { | ||
| this.keys = keys; | ||
| return this; | ||
| } | ||
| withFormat( | ||
| formatter: (props: { | ||
| dimension: (name: D) => CustomGranularityElementDimensionRef; | ||
| template: ( | ||
| strings: TemplateStringsArray, | ||
| ...values: unknown[] | ||
| ) => CustomGranularityElementTemplateWithDimensionRefs; | ||
| }) => | ||
| | CustomGranularityElementDimensionRef | ||
| | CustomGranularityElementTemplateWithDimensionRefs, | ||
| ) { | ||
| this.formatter = formatter({ | ||
| dimension: (name: D) => { | ||
| const dimensionRef = this.dimensionRefs[name]; | ||
| invariant(dimensionRef, `Dimension ${name} not found`); | ||
| return dimensionRef; | ||
| }, | ||
| template: (strings, ...values) => { | ||
| return new CustomGranularityElementTemplateWithDimensionRefs( | ||
| [...strings], | ||
| values, | ||
| ); | ||
| }, | ||
| }); | ||
| return this; | ||
| } | ||
| gerDefaultFormatter(parent: AnyModel | AnyRepository) { | ||
| return (row: Record<string, unknown>) => | ||
| this.dimensionNames | ||
| .map((dimensionName) => | ||
| parent | ||
| .getDimension(dimensionName) | ||
| .unsafeFormatValue(row[dimensionName]), | ||
| ) | ||
| .join(", "); | ||
| } | ||
| getConfig(parent: AnyModel | AnyRepository): CustomGranularityElementConfig { | ||
| const dimensionNames = this.dimensionNames.map((dimensionName) => | ||
| parent.getDimension(dimensionName).getPath(), | ||
| ); | ||
| return { | ||
| name: this.name, | ||
| dimensions: dimensionNames, | ||
| keyDimensions: | ||
| this.keys?.map((dimensionNames) => | ||
| parent.getDimension(dimensionNames).getPath(), | ||
| ) ?? dimensionNames, | ||
| formatDimensions: | ||
| this.formatter?.getReferencedDimensionNames() ?? dimensionNames, | ||
| formatter: | ||
| this.formatter?.getFormatter(parent) ?? | ||
| this.gerDefaultFormatter(parent), | ||
| }; | ||
| } | ||
| } | ||
|
|
||
| export class CustomGranularityElementInit<D extends string> { | ||
| constructor( | ||
| public readonly parent: AnyModel | AnyRepository, | ||
| public readonly name: string, | ||
| ) {} | ||
| withDimensions<GD extends D>(...dimensionNames: GD[]) { | ||
| return new CustomGranularityElement<GD>(this.name, dimensionNames); | ||
| } | ||
| } |
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